Small, Unglorified... and, no non-sence... This app does exactly what it says it will do.. NO BOOKMARK DUPES... It saved me a complicated mess of 1Million bookmarks being compound doubled due to Chrome Sync and a Third Party Sync app just getting it plain wrong. No Chrome extensions could fix my mess. Other Firefox extensions, LOOKED good but expected me to click on each bookmark to delete (Ya Right). This is the ONLY one that did the job, and did the job Right, with just the right amount of control to get exactly what i wanted back. Thank You Martin!